Add 21/8 and 49/56
1st number: 2 5/8, 2nd number: 49/56
21/8 + 49/56 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
21/8 = 21 × 7/8 × 7 = 147/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
49/56 = 49 × 1/56 × 1 = 49/56 - Add the two like fractions:
147/56 + 49/56 = 147 + 49/56 = 196/56 - 196/56 simplified gives 7/2
- So, 21/8 + 49/56 = 7/2
In mixed form: 31/2
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